How To Fix M8031 - Deliv. note does not refer to PO item with GR-based inv. verification

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 031

• Message text: Deliv. note does not refer to PO item with GR-based inv. verification

What causes this issue?

The system cannot find a purchase order for the delivery note. This may
be due to one of the following reasons:
The purchasing department has not defined GR-based invoice verification
for this purchase order.
The delivery note number was not entered (or was entered incorrectly) at
goods receipt.
You have entered the wrong delivery note number.

How to fix this error?

Check the delivery note number and correct it if necessary. If your
input was correct, you cannot enter the invoice via the delivery note
number. In this case, proceed as follows:
If the invoice contains a PO number, enter it as a selection criterion.
If the invoice does not contain a PO number, position the cursor on the
field <LS>Purchase order</> and press F4. You can display all purchase
orders for this supplier. By referring to other data contained in the
invoice (such as quantity and price), you can find and selelct the
relevant purchase order from this list.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8031 - Deliv. note does not refer to PO item with GR-based inv. verification ?

  The SAP error message M8031, which states "Delivery note does not refer to PO item with GR-based invoice verification," typically occurs in the context of goods receipt (GR) and invoice verification processes in SAP. This error indicates that the delivery note you are trying to process is not linked to a purchase order (PO) item that is set up for GR-based invoice verification.
  Cause:
  
  PO Configuration: The purchase order item may not be configured for GR-based invoice verification. This means that the PO item is not set to require a goods receipt before an invoice can be processed.
  Delivery Note Issues: The delivery note may not be correctly linked to the relevant PO item, or it may refer to a different PO item that does not have GR-based invoice verification enabled.
  Document Type: The document type of the delivery note may not support GR-based invoice verification.
  Incorrect Item Category: The item category of the PO may not be compatible with GR-based invoice verification.
  
  Solution:
  
  
  Check PO Configuration:
  
  Go to the purchase order in question and check the item details.
  Ensure that the "GR-based invoice verification" checkbox is selected for the relevant PO item.
  
  
  
  Verify Delivery Note:
  
  Check the delivery note to ensure it is correctly linked to the appropriate PO item.
  Make sure that the delivery note is for the correct item and that the item is set up for GR-based invoice verification.
  
  
  
  Review Document Types:
  
  Ensure that the document type used for the delivery note supports GR-based invoice verification.
  
  
  
  Adjust Item Category:
  
  If the item category of the PO does not support GR-based invoice verification, consider changing it to a category that does.
  
  
  
  Consult with SAP Support:
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues or patches related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like ME23N (Display Purchase Order) to check the PO details and MIGO (Goods Movement) to process goods receipts.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to GR-based invoice verification for a better understanding of the configuration and processes involved.
  
  By following these steps, you should be able to identify the cause of the error and implement the necessary solutions to resolve it.